NSN 4240-01-499-1666 · NIIN 014991666 · Part number SOUND STAR 2550
Tasco Corporation · FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 9T907
Government record, cited
NSN 4240-01-499-1666 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-499-1666. Manufacturer of record part number: SOUND STAR 2550.
Also searched as4240-01-499-1666 ·
4240014991666 ·
NIIN 014991666 ·
01-499-1666 ·
FSC 4240 Safety and Rescue Equipment · CAGE 9T907 · SOUND STAR 2550
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: SOUND STAR 2550
Manufacturer: Tasco Corporation
General Description
The Protector,hearing, cataloged under National Stock Number 4240-01-499-1666, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Tasco Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4240-01-499-1666
Primary Part Number
SOUND STAR 2550
Item Name
Protector,hearing
FSC / FSG
4240 / 42 — Safety and Rescue Equipment
Manufacturer
Tasco Corporation
Status
ACTIVE
Body Style
HEADSET, COVERED
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 4240 — Safety and Rescue Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4240-00-001-1515
4240-00-001-1515 · Item name not on file
4240-00-001-2684
4240-00-001-2684 · Item name not on file
4240-00-006-0022
HOSE,EVACUATION
4240-00-007-4576
4240-00-007-4576 · Item name not on file
4240-00-007-8182
4240-00-007-8182 · Item name not on file
4240-00-007-8183
4240-00-007-8183 · Item name not on file
4240-00-007-8184
4240-00-007-8184 · Item name not on file
4240-00-007-8185
4240-00-007-8185 · Item name not on file
Frequently Asked Questions
What is NSN 4240-01-499-1666?
NSN 4240-01-499-1666 is a Protector,hearing, manufactured by Tasco Corporation, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
What part numbers are listed for NSN 4240-01-499-1666?
NSN 4240-01-499-1666 has 1 manufacturer part number on file: SOUND STAR 2550 (Tasco Corporation).
What are the specifications of SOUND STAR 2550?
Key specifications for SOUND STAR 2550: Body Style: HEADSET, COVERED; Special Features: OVER THE HEAD EAR MUFF, MUFF COLOR IS BLUE, SPRING STAINLESS STEEL HEADBAND, NPR=25DB. DB. 1 specification is documented in the U.S. Government catalog.
Is NSN 4240-01-499-1666 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.